Rod-straightening device.



L. H. BRIGHTMAN.

ROD STRAIGHTENING DEVICE.

APPLICATION FILED NOV. 18. 1915.

1 ,278399. Patented Sept. 10,1918.

4 SHEETS-SHEET I.

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L. H. BRIGHTMAN. ROD STRAIGHIENING DEV lCE.

APPLICATION FILED NOV. H1, 19l5- Patented Sept. 10, 1918.

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L. H. BRIGHTMAN. ROD STRMGHTENING DEVICE.

APPLICATION FILED NOV. 18.1915.

1 mm Sept 10, 1918.

4 SHEETS-SHEET 3 NW NE.

L. H. BHIGHTMAN H00 SIRAIGHTENING DEVICE. APPLICATION FILED NOV. 1a. 1915.

1 ,278,299 Patented Sept. '10, 1918. I

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UNITED STATES LA'IHAM H. BBIGKTMAN; OI COLUMBUS, UHIO.

BOD-STRAIGHTENING DEVIGE.

MAfi; a citizen of the United States, resid mg at Columbus; in the might of Franklin "arid State Of Ohio, have invented Cettsviir ew emf useful Improvements in Rod- Straightening Devices,- of Whieh the fellowin is aspeeifieatiom y invention relates to red straightening d'eviees of the type designed fer use partienfl'afly in delineation with high carbon steel ba'rs-tff -rods. My inventien is particulai'ly adwtable for use in the art of making nut blah s, in which case at metal rod of proper section is passed and re-ptsse'ci thi'thigh the machine tintfl ha'sbe'eI-i caused to assume" a shape substantially straight thtmighout its entire length.

The main obj-eet of my invention resides in the previsierr of it set of rolls comprising a Iialif' arian'gec'l in leifgitufiinaii siinement With, the machine afid a pair 6f ifflerrflediate rbl'ls located between alifd to o'ne side the Hist named of ran-s, the arraafigemer'r't being suchthat this first mined p'ei-i' of rells may be adjusted relatively so as to increase ordeursase the distance between them anti to also vary the filistetfice one of these roils js from the intermediate foils. In other wor'cis, it is" aimed to so construct the chine that the two rolls vma ling)rising thel o'ngitmiihelly Mining pa ir, may be unequal-i3 sp i ed in Ristande from the intermediate r61, s.

A fuf'therf ohj-et ofmy inventi n rshfes in a veltic'e-iljr' eswell ztshei'iiontelly adjust- We ew 5-5 1 twig-1; and,

Fig. 5 is a dia'g'ritniinetie view illflsti'ztt'ing the marine? in which machine is used.

In these se'V'f-I views, the machine is shewn' as comprisine two bed pistes dsi nsitefl I afind 2 fe'spec ively, heid spaced from ezih other by a pro'p'ei arrangement of fiztrri-ewdrk 3. The nti'te machine is suppn'ite'd @011 the green-d in any desired mann'e'ijsuch as the fdttr supporting legs slibvtn at 4. Arranged in longitudinal alinemen't with the machine as a whTe and carried a'bQ-Ve the lip 'ef hed pizite 1 are a pair of reils 5 and mounted respectively (in terticelfy disposed shafts" 7 and s. These rolls have their faces gi'oovecf to' assume the desif'eci shape as is shown at 9 zind ar' them; selves mounted Ofi th lfidile'd o'ftiOns' 10 of these shafts; to be held in 0811; iOn' thefeon by means of, the washers 11 and (521p screws 1'2. Bo'th base tie clit ma is shown at 13. t0- 'fdi'in guidewsys ir'it'o Whih the sliciebie bea ing members 15 m; a1- rariged to fit, these bearing members Being. p'zefifriibij fifliti-ef' the eontroi of djfistinfl screws I6 i-btateb'ly seb'fn'd to t ese sli able J0eti-ii'i'i-gs ineaiflsfl Of structure shown at 17 and else heid in hreadd' engaigeirrent with the bfackets min at I8, Thus. a! ti'iiiiihgi'pf the screws 1Y6 1511} mansof a sbtiliet wi'enh d1" cit-LITE applied t'o' the squared? ends 19 6f these scie'ws will cause theii" movement thrmfghthe brackets 18 an'fl in' tufhpui'se a fnovement q'f the slide bearings eithei" in or out of the; stat 0%" mfideways T3. In order that 150th slid-able hemrings fmi each rbil' may be moved simultaiii'ein'isly', the mews 16: re zich with t 'sfi o cfref' Wheel 20 dyer eEtC which a gem 2'1 isdei'signedtb" pass. Thus, b5? turning one; (if the: sci'ewsf 16', th'e'se stzi-eiivs operating i carm'ection with the uppeii a d lewer sli-cie'barifigs, on we Dime memes may be.

alfhihg tens a'nQ SPQ Ced 1 eit r e 6: them are :ipaw of traansversefy Mining rolls which the slidable bearings and 31 move. Outwardly. extendin brackets 32 are also provided with whic the screws 33 have threaded engagement, the inner ends of these screws being attached to the slide blocks in the manner described in connection with the slide bearings 15. The opposite ends of these screws 33 are also provided with sprockets 34 over which chains 35 operate, the screws themselves being provided at their ends with hand wheels 36 in order to move the rolls 22 and 23 toward or away from the center of the machine.

Thus it will appear that there are-two sets of rolls, 5 and 6, and 22 and 23, all cooperating in such manner that two operators may use the same machine to cause it to perform the functions of two machines. The stock bar is fed through the machine-in one direction cooperating with the rolls 5 and 6, which both rotate in. the same direction and with the roll 23 which rotates in the opposite direction to an operator who stands on the opposite side of the machine and he in turn then instead of returning the bar to be again fed through the machine, returns it by causstraight, position.

ing it to cooperate with the same rolls 5 and 6 and the roll 22 which rotates in the same direction as the roll 23. It will thus appear that by this arrangement, considerable time is; saved, as well as floor space.

The extreme lower endsof-the shafts 7 and .8 are provided with worm wheels 37 designed to mesh with complementalv worms 38 carried upon a shaft39. This shaft is rotatably journaled in suitable bearings or boxes .40 supported from the sides of the machine and it is to this shaft to which power is applied in driving the'maehine as a whole. Rotation of the shaft 39 causes a turning of the worms 38 and in turn the worm wheels 37 to drive the shafts 7 and 8. If nowthe stock. bar is fed into the machine from theleft .or right of the machine,

as the case may be, and the intermediate rolls 22 and 23 properly adjusted, these stockbars may be distorted to such degree that, after passage'between the rolls, they will spring .backto assume a substantially The amount of carbon contained in ;the.various steels, of. course, has to be considered in the adjustment of the. rolls and, where these bars are distorted to some considerable extent, it is oftentimes desirable to locate the longitudinally alining rolls 5 and 6 so thatone isfarther from the intermediate. rolls .than the other. i This may-be accomplished, inasmuch as each, of the. rolls is ad uStable individually. It will be, understood that two intermediate rolls are resorted to only in, such eases where it is. desired to. run the stock bar previously sent. through the machine, on the other. side of themaching-or where-two operators are working at tlie, same .time. this latter -nally alinin-g rolls.

case, the rods or bars may be conveniently returned by placing them on top of the roller 41 journaled in brackets as shown at 42. Thus, after the rod has been placed on this roller, a pull on the rod will cause a turning of "the roller and this will lessen the amount of labor necessary to return the rod to its starting position.

In cases where flat thin bars are being run through the machine, it is essential that a roller such as is shown at 43 be in engage ment with the top surface of the bar in order to prevent its buckling, while its lower surface is in engagement with one of the wearing strips 44. This roller 43 is mounted in a bracket 45 which is adjustable in a horizontal plane through the medium of its slotted connection with the top bed plate as .is shown at 46 and is adjustable vertically by means of the bolt 47 operating in the undercut groove 48 in the upstanding leg of this bracket. In this manner, the roller 43 may be adjusted in a horizontal plane or may be adjusted vertically as is desired.

It sometimes happens that the stock bars.

are purposely bent to some considerable extent, in order that the bend of the entire bar may be in one direction. This is done in the normal working of the same and depends for its efiiciency to a. great extent upon the skill of the operator. In order to prevent this bar from turning away from the machinev after its passage and during its passage through it, the rollers 49 are provided. These rollers are located on op.- posite sides of the intermediate rolls 5 and 6v and are rotatably journaled in the ends of arms 50 pivotally mounted as at 51 at their opposite ends to the top bed plate 1. These rollers 49 may be adjusted to assume positions nearer the longitudinally alining rolls and also nearer the intermediate rolls by means of the bolts 52 operating in the undercut slots 53 in the top bed plate 1.

From the foregoing description, it will be apparent that I have provided a type of machine, in which-a multiplicityv of ad justments of the various rolls may be gotten in order to effect the straightening of steel bars of various shapes as is shown diagranr matically in Fig. 5. These rolls maybe adjusted so that the longitudinally alining. rolls are moved farther apart or closer together as the case may be and so that they. are also at different distances from the intermediate rolls. In addition, these intermediate rolls may be adjusted horizontally toward or away from eachv other in the same manner as described'for the longitudi- Thus,vv the rolls 5 and 6 may be adjusted to any .of the positionsas indicated, for instance, in dotted lines in, Fig.5, the positions they assume depending upon the irregularity of the rods. If

to bend the rod rolls arranged to always is such that it is necessary so that it will assume an arcuate shape, therolls 5 and 6 are adjusted to the extreme dotted line positions and the roll 22, or 23, as the case may be, is moved toward the first mentioned rolls, so that after the bar has been fed through, it will be bent to assume an arcuate shape. In order to prevent it from occupying too much space, the smaller rolls 49 are used to properly keep it in line. After its pas sage through the machine in this direction, the bar is turned over and the two rolls 5 and 6 moved toward each other a slight distance and the roll 22 retracted, which causes the rod to be bent in the opposite direction but to a less extent. In this manner, the rod is fed back and forth continually until it assumes a substantially straight position. In case fiat thin bars are being passed through the machine, the vertically adjustable roll 43 is resorted to in order to prevent its buckling and finally the rolls 49 may be used to prevent the stock bar from sliding off the machine or tables located at the opposite ends of the machine.

What I claim, is:

l. A rod straightener comprising a pair of rolls arranged to always be in longitudinal alinement with each other, a pair of idle be in transverse alinement with each other and located intermediate said longitudinal rolls, means for rotating both longitudinal rolls in the same direction, means for adjusting said first named rolls longitudinally of the machine, and means for adjusting said second named rolls transversely of the machine, all of said rolls being in a common plane which is at right angles to their axes of rotation and all being adjustable in that plane.

2. A rod straightener comprising a pair of rolls arranged to always be in longitudinal alinement with each other, a pair of idle rolls arranged to always, be in transverse alinement with each other and located intermediate said longitudinal rolls, means for rotating both longitudinal rolls in the same direction, means for adjusting said first named. rolls longitudinally of the machine,

this irregularity Copies of this patent may be obtained for five cents each, by addressing the and means for adjusting said second named rolls transversely of the machine, all of said rolls being in a common plane which is at right angles to their axes of rotation and all being adjustable in that plane, all of said rolls being adjustable independently of each other.

3. A rod straightener comprising a pair of rolls arranged to always be in longitudinal alinement with each other, a pair of idle rolls arranged to always be in transverse alinement with each other and located intermediate said longitudinal rolls, means for rotating both longitudinal rolls in the same direction, means for individually adjusting said first named rolls longitudinally of the machine to increase or decrease the distance between them and to move one farther away from said intermediate rolls than the other, and means for individually adjusting said transverse rolls toward said longitudinal rolls equal or unequal distances, all of s id rolls lying in a common plane which is at right angles to their axes of rotation and all being adjustable in that plane.

4. A rod straightener comprising a pair of rolls arranged in longitudinal alinement with each other, an idle intermediate roll mounted between and to one side of said first named rolls, means for rotating said longitudinal rolls in the same direction, means for individually adjusting said first named rolls in a horizontal plane to increase or decrease the distance between them so that one is farther away from said intermediate roll than the other, means for adjusting said intermediate roll to move it at right angles to and in the same plane with said first named rolls, a guiding roll on each side of said intermediate roll, and arms in the ends of which said guide rolls are mounted, said arms being pivotally mounted at their opposite ends.

In testimony whereof I afiix my in presence of two witnesses.

LATHAM H. BRIGHTMAN,

Witnesses:

l/VALTER E. L. BoCK, A. L. PHELPs.

signature Commissioner of Patents,

Washington, 13.0. 

